diff options
author | Ben Avison <bavison@riscosopen.org> | 2014-04-16 01:51:32 +0100 |
---|---|---|
committer | Michael Niedermayer <michaelni@gmx.at> | 2014-04-25 02:36:11 +0200 |
commit | 9d8ecdd8ca6d248e7439e8fdf255e39eda14e0f2 (patch) | |
tree | e35abe072bfeb91f77ac48c51eb3bd69d9773aed /libavcodec/vc1dsp.h | |
parent | 270cede3f3772117454a14b620803d731036942d (diff) |
vc-1: Add platform-specific start code search routine to VC1DSPContext.
Initialise VC1DSPContext for parser as well as for decoder.
Note, the VC-1 code doesn't actually use the function pointer yet.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/vc1dsp.h')
-rw-r--r-- | libavcodec/vc1dsp.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavcodec/vc1dsp.h b/libavcodec/vc1dsp.h index 7cf613597c..aa5b6d34fd 100644 --- a/libavcodec/vc1dsp.h +++ b/libavcodec/vc1dsp.h @@ -73,6 +73,14 @@ typedef struct VC1DSPContext { void (*sprite_v_double_twoscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1, const uint8_t *src2a, const uint8_t *src2b, int offset2, int alpha, int width); + + /** + * Search buf from the start for up to size bytes. Return the index + * of a zero byte, or >= size if not found. Ideally, use lookahead + * to filter out any zero bytes that are known to not be followed by + * one or more further zero bytes and a one byte. + */ + int (*vc1_find_start_code_candidate)(const uint8_t *buf, int size); } VC1DSPContext; void ff_vc1dsp_init(VC1DSPContext* c); |